To be without some of the things you want is an indispensable part of happiness.

Success comes to those who work hard.

"It has always seemed strange to me... the things we admire in men, kindness and generosity, openness, honesty, understanding and feeling, are the concomitants of failure in our system. And those traits we detest, sharpness, greed, acquisitiveness, meanness, egotism and self-interest, are the traits of success."

What we need to do is make batteries safer, more efficient, and more environmentally friendly.

占据有利位置，更容易成功。